[R] Splitting vector into individual elements

[Paul Roebuck]

On Wed, 15 Sep 2004, Peter Dalgaard wrote:

> Paul Roebuck <roebuck at odin.mdacc.tmc.edu> writes:
>
> > Is there a means to split a vector into its individual
> > elements without going the brute-force route for arguments
> > to a predefined function call?
> >
> >     offred.rgb <- c(1, 0, 0) * 0.60;
> >
> >     ## Brute force style
> >     offred.col <- rgb(offred.rgb[1],
> >                       offred.rgb[2],
> >                       offred.rgb[3],
> >                       names = "offred")
> >     ## Desired style
> >     offred.col <- rgb(silver.bullet(offred.rgb),
> >                       names = "offred")
>
> The closest is probably this:
>
> offred.col <- do.call("rgb", c(as.list(offred.rgb),
>                                list(names="offred")))
>

Everyone offered 'do.call' as the solution. While that
works, is it to say that there is no means of expanding
the expression as an argument to the original function?

> (ever read/seen The Handmaid's Tale, btw?)
>

Not yet. Though renaming my sample variable 'off.red.col'
would avoid future confusion with oppressed handmaids.

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